A42Y-C型 弹簧全启封闭式高压安全阀
A42Y-160/320适用于工作温度≤200℃的空气、氮气混合气等介质的设备或管路上。A42Y-160P/320P、A42Y-160R/320R适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。
主要零部件材料
| NO. |
零部件名称 |
A42Y-160 A42Y-320
材料 |
A42Y-160P
A42Y-320P 材料 |
A42Y-160R
A42Y-320R 材料 |
| 1 |
法兰 |
35/35CrMoA |
2Cr13 |
1Cr18Ni12Mo2Ti |
| 2 |
阀座 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 3 |
阀体 |
40 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 4 |
调节阀 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 5 |
阀瓣 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 6 |
反冲盘 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 7 |
导向套 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 8 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
| 9 |
阀杆 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
| 10 |
弹簧 |
50CrVA |
50CrVA 包覆氟塑料 |
50CrVA包覆氟塑料 |
| 11 |
调整螺杆 |
45 |
2Cr13 |
2Cr13 |
| 12 |
阀帽 |
ZG200-400 |
ZG200-400 |
ZG200-400 |
| 13 |
密封面材料 |
堆焊 Co 基硬质合金 |
外形尺寸和连接尺寸
| 型号 |
公称通径(DN) |
do |
d |
M |
K |
D |
Z-φd |
b |
d1 |
M1 |
K1 |
D1 |
Zrφd1 |
b1 |
L |
L1 |
≈ H |
| A42Y-160 |
15 |
8 |
20 |
M24×2 |
60 |
95 |
3-18 |
20 |
29 |
M42×2 |
80 |
115 |
4-18 |
22 |
95 |
100 |
220 |
| 20 |
8 |
27 |
M33×2 |
68 |
105 |
3-18 |
20 |
29 |
M42×2 |
80 |
115 |
4-18 |
22 |
95 |
100 |
220 |
| 25 |
14 |
28 |
M33×2 |
68 |
105 |
3-18 |
20 |
50 |
M64×3 |
115 |
165 |
6-26 |
32 |
15 |
150 |
280 |
| 32 |
15 |
37 |
M42×2 |
80 |
115 |
4-18 |
22 |
50 |
M64×3 |
115 |
165 |
6-26 |
32 |
15 |
150 |
390 |
| 40 |
20 |
47 |
M52×2 |
115 |
165 |
6-26 |
28 |
65 |
M80×3 |
145 |
200 |
6-29 |
40 |
180 |
180 |
495 |
| 50 |
25 |
59 |
M64×3 |
115 |
165 |
6-26 |
32 |
80 |
M100×3 |
170 |
225 |
6-33 |
50 |
165 |
165 |
400 |
| A42Y-320 |
15 |
8 |
27 |
M33×2 |
68 |
105 |
3-18 |
20 |
29 |
M42×2 |
80 |
115 |
4-18 |
22 |
95 |
100 |
220 |
| 20 |
8 |
30 |
M33×2 |
75 |
110 |
3-18 |
22 |
29 |
M42×2 |
80 |
115 |
4-18 |
22 |
95 |
100 |
220 |
| 25 |
14 |
35 |
M42×2 |
80 |
115 |
4-18 |
22 |
50 |
M64×3 |
115 |
165 |
6-26 |
32 |
150 |
150 |
280 |
| 32 |
15 |
41 |
M48×2 |
95 |
135 |
4-22 |
25 |
50 |
M64×3 |
115 |
165 |
6-26 |
32 |
150 |
150 |
390 |
| 40 |
20 |
58 |
M64×3 |
115 |
165 |
6-26 |
32 |
65 |
M80×3 |
145 |
200 |
6-29 |
40 |
180 |
180 |
495 |
| 50 |
25 |
70 |
M80×3 |
145 |
200 |
6-29 |
40 |
80 |
M100×3 |
170 |
225 |
6-33 |
50 |
165 |
165 |
400 |
| A42Y-400 |
32 |
15 |
41 |
M48×2 |
95 |
135 |
4-22 |
25 |
50 |
M64×3 |
115 |
165 |
6-26 |
32 |
150 |
150 |
397 |
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